Bug ReportWhen

I and a friend of mine played, I made a shokvave in the overworld with the Shockwave sword and then the server crashed. We tried to restart the Server, but it crashes again.

Expected Behaviour

The server crashes and can not be started.

Possible Solution

I have the logs but no idea what you could do.

Steps to Reproduce (for bugs)

I used the sword with the shock wave to kill monster and then the server crashed

Logs

Ther server log is attached
crash-2018-11-30_14.45.14-server.txt

Client Information

• Modpack Version: 3.0.8
• Java Version: dont know
• Launcher Used: Twitch
• Memory Allocated: 8GB
• Server/LAN/Single Player: Server
• Optifine Installed: No
• Shaders Enabled: No

Server Information

• Java Version: dont know
• Operating System: Linux
• Hoster/Hosting Solution:
• Sponge (Non-Vanilla Forge) Server: